Coastal Waters Forecast for Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254) (Text-Only)
NWS Forecast for: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254)
Issued by: National Weather Service Norton, MA
Last Update: 103 AM EDT Sat Oct 18 2025
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Rest Of Tonight: N winds around 15 kt with gusts up to 20 kt. Seas 7 to 9 ft. Wave detail: NE 8 ft at 11 seconds and N 1 foot at 3 seconds.

Sat: N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 6 to 9 ft. Wave detail: NE 7 ft at 11 seconds and NW 1 foot at 3 seconds.

Sat Night: NW winds 5 to 10 kt, becoming W after midnight. Seas 5 to 7 ft. Wave detail: E 6 ft at 11 seconds.

Sun: S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: E 6 ft at 11 seconds.

Sun Night: S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 4 ft at 5 seconds and E 4 ft at 10 seconds. A chance of showers after midnight.

Mon: S winds around 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: SE 5 ft at 5 seconds and E 3 ft at 10 seconds. A chance of showers in the morning, then showers in the afternoon.

Mon Night: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.

Tue And Tue Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.

Wed: SW winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely. Vsby 1 to 3 nm.

Wed Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.

seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.







Zone Forecast: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254)

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